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Updated: May 29, 2025


I want you, then, to regard this battery and all electrical machines and batteries as kinds of electricity pumps, which drive the electricity along through the wire very much as a water-pump can drive water along pipes. While this is going on the wire manifests a whole series of properties, which are called the properties of the current.

It is all his fault. Please let me W-why should-he-tor-ment me?" The tears choked my further speech. I sat down on the sofa, and, with my head buried on Papa's knees, sobbed until I thought I should die of grief. "Come, come! Why are you such a water-pump?" said Papa compassionately, as he stooped over me. "He is such a bully! He is murdering me! I shall die! Nobody loves me at all!"

On his first flight, on his two-gun machine, he found that the water-pump control did not work, and had to land on a Belgian aërodrome, where he was welcomed and asked to sit for his photograph. The picture shows a worried, tense, disquieting countenance under the mask ready to be pulled down. After frightening the enemy so long, Guynemer was now frightening his friends.

'On the 1st instant Captain Dovetoun sent me an order to open the boxes, and lay out the machines, to show them to the sultan. Accordingly, on the third, I was sent for, and I exhibited the following experiments; viz. head and wig; dancing images; electric stool; cotton fired; small receiver and stand; hemispheres; Archimedes' screw; siphon; Tantalus's cup; water-pump; condensing engine, &c.

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